dt-bindings: fuse: tegra: Add Tegra234 support

The Tegra234 FUSE block is very similar to that on prior chips but not
completely compatible. Document the new compatible string.
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

Documentation/devicetree/bindings/fuse/nvidia,tegra20-fuse.txt

@@ -7,6 +7,7 @@ Required properties:
   For Tegra132 must contain "nvidia,tegra132-efuse", "nvidia,tegra124-efuse".
   For Tegra210 must contain "nvidia,tegra210-efuse". For Tegra186 must contain
   "nvidia,tegra186-efuse". For Tegra194 must contain "nvidia,tegra194-efuse".
+  For Tegra234 must contain "nvidia,tegra234-efuse".
   Details:
   nvidia,tegra20-efuse: Tegra20 requires using APB DMA to read the fuse data
 	due to a hardware bug. Tegra20 also lacks certain information which is